Photos:: Southern Section track and field championships

Chaminade’s TJ Brock reacts to his wind-aided 10.20, the second-fastest time in state history, in the 100 meters in Division 3 of the Southern Section track and field championships at Cerritos College.

St. John Bosco shott putter Matt Katnik celebrates his Division 3 record 71-11 1/2 throw Saturday at the Southern Section track and field championships at Cerritos College.

Fans watch the boys’ 1,600-meter race at the Southern Section track and field championships Saturday at Cerritos College.

Simi Valley’s Alexander Billing stretches to win the boys’ 110-meter high hurdles at the Southern Section track and field championships Saturday at Cerritos College.

Arrowhead Christian’s Isaac Mowbray, center, clears the last hurdle to win the boys’ 110-meter high hurdles against Verbum Dei’s Timmothy Roberts, left, and Serra’s Jaiden Woobey in Division 4 of the Southern Section track and field championships Saturday at Cerritos College.

Alemany high jumper Earnest Sears clears the bar but fails to advance in Division 3 of the Southern Section track and field championships Saturday at Cerritos College.